Standard display
Press and hold the 
button on
the
steering wheel until the Trip menu with
odometer 1 and trip odometer 2 is
shown.
See also:
Please bear the following in mind
Resetting service interval display
If the qualified specialist workshop, e.g. a
Mercedes-Benz Center, carried out the
maintenance work, the service interval
display will be reset.
Further info ...
Vehicle
Display messages
Possible causes/consequences and
Solutions
You have attempted to start the engine with the transmission in
position R or D.
Shift the transmissio ...
Standard display
Press and hold the
button on the
steering wheel until the Trip menu with
odometer 1 and trip odometer 2 is
shown. ...